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#
8th grade (Illustrative Mathematics)

#### Course content

#### Unit 1: Rigid transformations and congruence

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#### Unit 2: Dilations, similarity, and introducing slope

#### Unit 3: Linear relationships

#### Unit 4: Linear equations and linear systems

#### Unit 5: Functions and volume

#### Unit 6: Associations in data

#### Unit 7: Exponents and scientific notation

#### Unit 8: Pythagorean theorem and irrational numbers

Free

178 Lessons

Lesson 5: Coordinate moves

Reflecting points

Reflecting shapes

Lesson 6: Describing transformations

Determining reflections

Mapping shapes

Lesson 7: No bending or stretching

Rigid transformations intro

Finding measures using rigid transformations

Rigid transformations: preserved properties

Lesson 12: Congruent polygons

Congruent shapes & transformations

Non-congruent shapes & transformations

Lesson 14: Alternate interior angles

Missing angles with a transversal

Lesson 16: Parallel lines and the angles in a triangle

Angles in a triangle sum to 180Â° proof

Triangle exterior angle example

Worked example: Triangle angles (intersecting lines)